Itâs claimed that this process bonds the keratin to the hair, leaving the hair temporarily straighter, softer and smoother. Pros. 1  This less invasive treatment is kinder on hair than traditional relaxing systems that use stronger alkaline chemicals to break down the bonds within the hair.ons. 1  As the name suggests, this technique relaxes hair rather then leaving it poker straight, so if you want absolute stick straight and frizz-free hair, this method may not be for you. 2  As with every chemical process, the ever present risk of damage is there.
Throughout the Corps more than 4,000-mile journey, Captains Lewis and Clark recorded 178 plants and 122 animals not previously known to science. Lewis recorded and pressed and preserved some 240 different plant species and brought them back to Washington, along with hundreds of animal and bird skins and skeletons.
Meriwether Lewis and William Clark discovered 100 new animal species and 170 new plants while creating detailed maps of the new territory the United States purchased from the French during the Louisiana Purchase. The men traveled nearly 3,700 miles from the Mississippi River all the way to the Pacific Ocean on foot, horseback and boat.